3x+10+3x+8=90

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Solution for 3x+10+3x+8=90 equation:


Simplifying
3x + 10 + 3x + 8 = 90

Reorder the terms:
10 + 8 + 3x + 3x = 90

Combine like terms: 10 + 8 = 18
18 + 3x + 3x = 90

Combine like terms: 3x + 3x = 6x
18 + 6x = 90

Solving
18 + 6x = 90

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-18' to each side of the equation.
18 + -18 + 6x = 90 + -18

Combine like terms: 18 + -18 = 0
0 + 6x = 90 + -18
6x = 90 + -18

Combine like terms: 90 + -18 = 72
6x = 72

Divide each side by '6'.
x = 12

Simplifying
x = 12

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